User interface for a computer display



FIG. 1 is a front view of a user interface for a computer display showing the new design, and,

FIG. 2 is a front view of a second embodiment thereof.

The broken line drawing of a computer display is for illustrative purposes and forms no part of the design.

The broken line drawing of a computer display and the broken lines within the claimed design shown in FIG. 2 are for illustrative purposes and form no part of the design. 

The ornamental design for a user interface for a computer display, as shown and described. 